diff --git a/urara/2022-08-18-lwt/index.md b/urara/2022-08-18-lwt/index.md
index b1b2f2e6..a15fc6c4 100644
--- a/urara/2022-08-18-lwt/index.md
+++ b/urara/2022-08-18-lwt/index.md
@@ -51,7 +51,7 @@ cd lwt-docker
 sudo nano docker-compose.yml	
 ```
 修改密码：
-```yml
+```yaml title="docker-compose.yml" {7,15}
 version: '3'
 
 services: